In exercise, use the properties of logarithms to rewrite the expression as the logarithm of a single quantity.
in x + 4 in y - 1/2 in (z + 4)

ln[xy/sqrt(z+4)]

Step-by-step explanation:

lnx+ln(y^4)-ln((z+4)^1/2)

The logarithms property states that logxy can be written as log(x)+log(y)

ln(xy)-ln(z+4)^1/2

The logarithms property also states that logx/y can be written as log(x)-log(y)

ln(xy)/ln(z+4)^1/2

ln(xy/(z+4))^1/2

ln[xy/sqrt(z+4)]

Hence by using the logarithms properties In x + 4 In y - 1/2 In (z + 4) can be written as ln[xy/sqrt(z+4)]

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step-by-step explanation:

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3